Bump the python-packages group in /backend with 2 updates

Bumps the python-packages group in /backend with 2 updates: [coverage](https://github.com/nedbat/coveragepy) and [pylint](https://github.com/pylint-dev/pylint).


Updates `coverage` from 7.6.9 to 7.6.10
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.9...7.6.10)

Updates `pylint` from 3.3.2 to 3.3.3
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@v3.3.2...v3.3.3)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: pylint
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/requirements.txt

@@ -1,7 +1,7 @@
-coverage==7.6.9
+coverage==7.6.10
 Twisted==24.11.0
 psycopg2-binary==2.9.10
-pylint==3.3.2
+pylint==3.3.3
 SQLAlchemy==2.0.36
 price-parser==0.3.4
 Scrapy==2.12.0